Abstract
The ESR spectrum is reported for the nitrogen donors in polycrystalline synthetic diamond at room temperature; g is 2.0025±0.005. The moments method is used to examine the unsymmetrical secondary peaks, which give the constants for the coupling between the electron and the nuclear magnetic moment; these agree satisfactorily with those for a single crystal of natural diamond. The nitrogen donor concentration is found to be 1018–1019 cm−3. The IR spectrum has a band at 9.1Μ, which is more prominent for the synthetic material; this appears to be due to multiple nitrogen centers.
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Danil'chuk, G.S., Ganyuk, L.N., Koval'skii, A.E. et al. Nitrogen impurity centers in synthetic diamond powder. Theor Exp Chem 1, 237–240 (1965). https://doi.org/10.1007/BF01134327
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DOI: https://doi.org/10.1007/BF01134327